21452769

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6791}}^1$

素因数の和:6819

約数の個数: 24

約数和(自身を含む): 34612032

約数和(自身を除く): 13159263

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6791, 20373, 61119, 88283, 183357, 264849, 550071, 794547, 1650213, 2383641, 7150923, 21452769]

約数ペア:

[(1, 21452769), (3, 7150923), (9, 2383641), (13, 1650213), (27, 794547), (39, 550071), (81, 264849), (117, 183357), (243, 88283), (351, 61119), (1053, 20373), (3159, 6791)]